Iris Diaphragm 1-18mm Variable Aperture for Laser Microscope Optics

Adjustable Diaphragm Mechanical 1-12mm Iris Aperture Microscope Camera Module

Optical Iris Diaphragm 1-16mm Manual Aperture Condenser for Camera Microscope

1.2-18mm Mechanical Diaphragm Adjustable Iris Integrated Aperture StopMicroscope

1.8-22mm Adjustable Manual Zoom Iris Aperture Diaphragm for Camera Microscope

Iris Diaphragm 1-18mm With/No Mount Bracket Variable Aperture Industrial Optics

1.5-25mm Adjustable Iris Diaphragm Aperture for Optical Microscope Camera Laser

Iris Diaphragm 4.5-18mm Variable Aperture Manual Stop for Microscope Industrial